00669naa a2200217 a 450000100080000000500110000800800410001910000180006024501420007826000090022065300190022965300230024865300240027165300120029565300090030765300160031670000150033270000180034770000210036577300650038610107112005-01-06       2004    bl uuuu     u00u1 u    #d1 aCOSTA, M.L.da  aThe ceramic artifacts in archaeological black earth (terra preta) from Lower Amazon region, Brazilbchemistry and geochemical evoluation.  c2004  aBaixo Amazonas  aComposicao quimica  aEvolucao geoquimica  aFosforo  aSolo  aTerra preta1 aKERN, D.C.1 aPINTO, A.H.E.1 aSOUZA, J.R.da T.  tActa Amazonica, Manausgv.34, n.3, p.375-386, jul./set.2004.